package com.shopping.product.controlleradvice;

import com.shopping.common.exception.BizCodeEnum;
import com.shopping.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 *
 * @author Europa
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.shopping.product.controller")
public class ExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现异常{}, 异常类型{}", e.getMessage(), e.getClass());
        Map<String, String> errorMap = new HashMap<>(16);
        BindingResult result = e.getBindingResult();
        result.getFieldErrors().forEach(err -> {
            errorMap.put(err.getField(), err.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),
                BizCodeEnum.VALID_EXCEPTION.getMsg()
        ).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error("数据出现异常 ", throwable);
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(),
                BizCodeEnum.UNKNOWN_EXCEPTION.getMsg()
        );
    }

}
